Blast inside a Mosque kiills 20 in Saudi Arabia

During Friday Prayers, a suicide bomber blew himself up at a Shiite mosque in eastern Saudi Arabia.
The dreadful blast killed around 20 people and wounded more than 50. No one has yet claimed about the organization behind the blast immediately. Earlier, Shiite Muslims were attacked in a religious anniversary, where a gunman killed at least eight people. This incident too took place in the east, the region where minority shiite Muslims population is concentrated.

Critics say that the attack could further harm the relations between the Sunnis and the Shiites in Gulf region, the Deccan Chronicle reports.

One witness described the incident of huge explosion at the Imam Ali mosque . He said ” we were offering first part of the prayers when we heard a huge blast”.
A spokesperson of Saudi said ” A suicide bomber with bombs arranged inside his clothes entered the mosque causing the death of innocent people. Our security personnel will not leave anyone involved in the terrorist attack”

Militants of ISIS organization have claimed responsibility for the attack.